/*********************************************************************************
 * Software License Agreement (BSD License)
 * Copyright (c) 2012, Carlos D. Correa (info@ngraph.org)
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of netzen nor the
 *    names of its contributors may be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *********************************************************************************/
#ifndef COLORMAP_H
#define COLORMAP_H

#include <string>
#include <vector>
using namespace std;

class ColorItem {
public:
  float t;
  float r,g,b;
  ColorItem(float t0, float r0, float g0, float b0) {
    t = t0;
    r = r0;
    g = g0;
    b = b0;
  }
}; 

class Controller;

class ColorMap {
 public:
  static const int size = 256;
  static const int sizeArray = size*3;
  enum {
    DISCRETE,
    CONTINUOUS
  };
  int type;
 protected:
  string name;
  float RGB[sizeArray];
  Controller *controller;
 public:
  vector<ColorItem*> colors;

  ColorMap(int type = CONTINUOUS);
  ColorMap(const char *n, int type = CONTINUOUS);
  ~ColorMap();
	int getType() { return type; }
  void read(const char *file);
  void getColor(float f, float *rgb);
  void getColor(int i, float *rgb);
  void fill(float r, float g, float b);
  ColorItem * insert(float t, float r, float g, float b);
  ColorItem * insert(int i, float r, float g, float b);
  void setColor(int i, float r, float g, float b);
  void deleteColor(ColorItem *c);
  void cycleColors(int start);
  void setController(Controller *c);
  void generate();
	
};


#endif
